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annotate src/video/uikit/SDL_uikitopengles.m @ 2431:7e449145b6ca gsoc2008_iphone

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Added some code to set proper screensize on iPhone
author Holmes Futrell <hfutrell@umail.ucsb.edu>
date Fri, 15 Aug 2008 00:56:43 +0000
parents d92493ff1b51
children bf7028ffbf07
rev   line source
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eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
e9a1eed243c9 Added standard SDL header comments
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6 modify it under the terms of the GNU Lesser General Public
e9a1eed243c9 Added standard SDL header comments
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7 License as published by the Free Software Foundation; either
e9a1eed243c9 Added standard SDL header comments
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8 version 2.1 of the License, or (at your option) any later version.
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9
e9a1eed243c9 Added standard SDL header comments
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10 This library is distributed in the hope that it will be useful,
e9a1eed243c9 Added standard SDL header comments
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
e9a1eed243c9 Added standard SDL header comments
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
e9a1eed243c9 Added standard SDL header comments
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13 Lesser General Public License for more details.
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14
e9a1eed243c9 Added standard SDL header comments
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15 You should have received a copy of the GNU Lesser General Public
e9a1eed243c9 Added standard SDL header comments
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16 License along with this library; if not, write to the Free Software
e9a1eed243c9 Added standard SDL header comments
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
e9a1eed243c9 Added standard SDL header comments
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19 Sam Lantinga
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20 slouken@libsdl.org
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eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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21 */
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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22
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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23 #include "SDL_uikitopengles.h"
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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24 #include "SDL_uikitopenglview.h"
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25 #include "SDL_uikitappdelegate.h"
1fe89198aba5 removed references to singletons, now uses SDL_WindowData information instead.
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26 #include "SDL_uikitwindow.h"
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eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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27 #include "jump.h"
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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28 #include "SDL_sysvideo.h"
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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29 #include "SDL_loadso.h"
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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30 #include <dlfcn.h>
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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31
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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32 static int UIKit_GL_Initialize(_THIS);
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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33
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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34 void *
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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35 UIKit_GL_GetProcAddress(_THIS, const char *proc)
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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36 {
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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37 /* Look through all SO's for the proc symbol. Here's why:
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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38 -Looking for the path to the OpenGL Library seems not to work in the iPhone Simulator.
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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39 -We don't know that the path won't change in the future.
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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40 */
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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41 return SDL_LoadFunction(RTLD_DEFAULT, proc);
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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42 }
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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43
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44 /*
d92493ff1b51 Fixed a bug where bad access would occur if UIKIT_MakeCurrent is passed NULL for the parameter 'SDL_GLContext context'. Instead, it clears the current context.
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45 note that SDL_GL_Delete context makes it current without passing the window
d92493ff1b51 Fixed a bug where bad access would occur if UIKIT_MakeCurrent is passed NULL for the parameter 'SDL_GLContext context'. Instead, it clears the current context.
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46 */
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eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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47 int UIKit_GL_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context)
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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48 {
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49
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50 if (context) {
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51 SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
d92493ff1b51 Fixed a bug where bad access would occur if UIKIT_MakeCurrent is passed NULL for the parameter 'SDL_GLContext context'. Instead, it clears the current context.
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52 [data->view setCurrentContext];
d92493ff1b51 Fixed a bug where bad access would occur if UIKIT_MakeCurrent is passed NULL for the parameter 'SDL_GLContext context'. Instead, it clears the current context.
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53 }
d92493ff1b51 Fixed a bug where bad access would occur if UIKIT_MakeCurrent is passed NULL for the parameter 'SDL_GLContext context'. Instead, it clears the current context.
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54 else {
d92493ff1b51 Fixed a bug where bad access would occur if UIKIT_MakeCurrent is passed NULL for the parameter 'SDL_GLContext context'. Instead, it clears the current context.
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55 [EAGLContext setCurrentContext: nil];
d92493ff1b51 Fixed a bug where bad access would occur if UIKIT_MakeCurrent is passed NULL for the parameter 'SDL_GLContext context'. Instead, it clears the current context.
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56 }
d92493ff1b51 Fixed a bug where bad access would occur if UIKIT_MakeCurrent is passed NULL for the parameter 'SDL_GLContext context'. Instead, it clears the current context.
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57
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58 return 0;
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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59 }
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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60
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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61 int
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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62 UIKit_GL_LoadLibrary(_THIS, const char *path)
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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63 {
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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64 /* shouldn't be passing a path into this function */
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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65 if (path != NULL) {
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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66 SDL_SetError("iPhone GL Load Library just here for compatibility");
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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67 return -1;
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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68 }
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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69 return 0;
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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70 }
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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71
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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72
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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73 void UIKit_GL_SwapWindow(_THIS, SDL_Window * window)
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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74 {
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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75
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76 SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
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eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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77
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78 if (nil == data->view) {
1fe89198aba5 removed references to singletons, now uses SDL_WindowData information instead.
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79 return;
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80 }
1fe89198aba5 removed references to singletons, now uses SDL_WindowData information instead.
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81 [data->view swapBuffers];
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eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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82 /* since now we've got something to draw
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83 make the window visible */
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84 [data->uiwindow makeKeyAndVisible];
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85
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86 /* we need to let the event cycle run, or the OS won't update the OpenGL view! */
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87 SDL_PumpEvents();
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88
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89 }
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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90
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91 SDL_GLContext UIKit_GL_CreateContext(_THIS, SDL_Window * window)
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92 {
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93
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94 SDL_uikitopenglview *view;
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95
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96 SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
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97
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98 view = [[SDL_uikitopenglview alloc] initWithFrame: [[UIScreen mainScreen] applicationFrame] \
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99 retainBacking: _this->gl_config.retained_backing \
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100 rBits: _this->gl_config.red_size \
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101 gBits: _this->gl_config.green_size \
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102 bBits: _this->gl_config.blue_size \
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103 aBits: _this->gl_config.alpha_size \
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104 depthBits: _this->gl_config.depth_size];
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105
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106 view.multipleTouchEnabled = YES;
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107
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108 data->view = view;
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109
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110 [data->uiwindow addSubview: view ];
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111
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112 /* Don't worry, the window retained the view */
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113 [view release];
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114
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115 if ( UIKit_GL_MakeCurrent(_this, window, NULL) < 0 ) {
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116 UIKit_GL_DeleteContext(_this, NULL);
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117 return NULL;
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118 }
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119
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120 return view;
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121 }
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122
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123 void UIKit_GL_DeleteContext(_THIS, SDL_GLContext context)
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124 {
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125 /* the delegate has retained the view, this will release him */
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126 SDL_uikitopenglview *view = (SDL_uikitopenglview *)context;
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127 /* this will also delete it */
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128 [view removeFromSuperview];
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129
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130 return;
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131 }
eb828d6c3efb SDL_uikitopengles is responsible for OpenGLES related functions in the UIKit video driver. The main thing to note is UIKit_GL_CreateContext which creates an instance of the SDL_uikitopenglview class, an OpenGL ES View. Most the real functionality is in SDL_uikitopenglview.
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132
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133